Free art classes and supplies are now available for registration By: Matt Nagy CHESTERTON, Ind. -- Local teaching artists are hosting a series of free virtual painting classes offered by Indiana Dunes National Park in partnership with the Art Barn School of Art and the Friends of Indiana Dunes, Inc. Experienced art instructors will guide students through the process of painting a scene inspired by the Indiana dunes. These lessons will be available to artists of all skill levels from 2 p.m. to 4 p.m. on April 10, June 12 and July 10. Each class will be focusing on separate nature settings and themes of Indiana Dunes.